Humoral immunity is immunity from serum antibodies produced by plasma cells. More specifically, someone who has never been exposed to a specific disease can gain humoral immunity through administration of antibodies from someone who has been exposed, and survived the same disease.
They had jobs in Agriculture.
Jogging. I found this answer by process of elimination. Swimming takes a lot of force, like kicking which gives heavy force on bones, jumping rope, (believe it or not) can also affect his bones since he is "pounding" on the ground. Basketball is much like the jumping rope. But jogging is meant to be a light run, and if you jog the right way, (lightly on your feet) you can stay active and avoid heavy force on bones.
C. Eating Well. You would expect this to focus on healthy recipes.
I think that was right of the Nurse to do so because the person in the accident was exposed to someone whose blood was HIV positive, and so now they might have it too.
I would have consulted with the patient about if it was okay to let the other person know that they could now be infected with HIV and if the HIV positive patient said it was fine I would go back and tell the other patient.
hope that helps :)
